Home / 7,884.55-10,882.57-4,740.13

Finding the Fourth Proportional to 7,884.55, 10,882.57 and 4,740.13

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Solution

The fourth proportional to 7,884.55, 10,882.57 and 4,740.13 is: 6,542.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884.55 : 10,882.57 = 4,740.13 : x
  2. Step 2: Convert to fraction form
    7,884.55/10,882.57 = 4,740.13/x
  3. Step 3: Cross multiply
    7,884.55x = 10,882.57 × 4,740.13
  4. Step 4: Simplify right side
    7,884.55x = 51,584,742.12
  5. Step 5: Solve for x
    x = 51,584,742.12/7,884.55
  6. Step 6: Final answer
    x = 6,542.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.